TiaLinx, Inc., has introduced the Eagle5-BH lightweight, ultra-wideband, multi-Gigahertz radio frequency imager capable of probing underground movements and uplinking the data remotely to a monitoring station. The system can present the position and trace of a moving objet in a tunnel or underground passage, the company says. The Eagle5-BH can be mounted on robots and tripods, it can conduct standoff surveillance for motion tracking, and scanning for detection of implanted metallic objects. TiaLinx says the system is suitable to prevent illegal human trafficking and for the surveillance of illegal activities in underground cavities.